Drilling mechanism



Nov. 18 1930. V F. w. VODOZ 1,781,837

DRILLING MECHANISM Filed Sept. 20, 1928 2 Sheets-Sheet 2 Patented Nov.18, 1930 FREDERICK w. vonoz, or WILM TTEQILLINQIs; Assrenonro GOODMANMANiir o- TUBING COMPANY, on CHICAGO, ILLmo'Is' h ooRroRA'rIoNorIJLINois" 1 DRILLING MECHANISM 4 Application filed September 20, 1925,Serial m.- 307,073. I 2' Thisinvention relates to improvements indrilling mechanisms particularly adaptable for use in coal mines and.has for its, principal object to provide a new and improved a motormore powerful and heavier than is usual in portable drilling mechanismsmay be used to overcome the difliculties encountered in burningout saidmotors dueto their lack o of power to efiiciently and continuouslyperform the drilling operations. i I

A Other objects of my invention willappear -from time coeds.

"hand drilling, in order to; make said mechanism portable and easy tohandle, said mecha nism is often made too light to give satisfao toryand economical results. I r

g5 In carrying out my invention I provide an improved form of drillingmechanism so combined and carried with a portable truck as to affordsufficient strength to withstand, all' strains subj ected' to it duetoidrilling, said e truck providing a means for's'upportingmy" drillingmechanism while drilling in the mine wall. a

prior application,

268,783,-filed April 9,1928; shows an im a prove d form of drillingmechanism incombination with a mining machine truck; My

present applicationuses the sameflformbf e drilling mechanism showntherein but shows.

' said drilling mechanism mounted on a small 40 portable truck whichserves as a support for my drilling mechanismduring the drillingoperations. a My-invention may be more clearly under stood by referenceto the following drawings wherein: n i

] Figure 1 isa side elevation of the device embodying my a mine wall 5 VFigure 2 is a rear elevation of the device 60 shown in Figure 1 withparts broken away;

1 and in section to more to time as this specification ,pro-

The general practice in coal'miningopen. ations is to drill the coalwitha hand op. erated post drill or small. portable electric drill. VDrilling by hand'thas proven to be very slow and expensive; 'Whiledrilling 20 with a portable electric drill'is faster'than inventiondrilling; a hole in tails. of my inventioli 3* 'Figure 4.:is a sldeelevation-of the device ofkmyinvention, "T Referr'ingfnow tot lnentillustrated in'the drawings, lO'indicates on at its .forward'end' Thetrack wheel 1.3 is detachably mounted on a stud llzfastened in asupportlo'projecting fromthe forward end of a drillingarm 16 pivoted atitsrearv ward end to th'efrearward portion of the PAT EN r OFF}v clearlyhew the a- Figure :3 isaifragmentary sectionalview taken on line'33ofFig'ure 1;; I, v I portable-drilling mechanism so arranged thatembodying my invention in position to travel a aboutvthe mine; fromworking place to workn a v ---a hole in amine wall withparts broken-awayand in section to more clearly show the details he details oftheiembodivas y a mainframe supported on anaxle 11'and track wheelslQ, 12,,at itsrearward end and a track wheel 13 having a double fiangetherezjraie,10.i ,Adrilling mechanism 17glS'Sl1p-V portedfon the forward end' ofthe drilling arm 16 for,'-=angular, movement thereabout while powermeans forsaid drillingm echw "nism is supportedlat the rearwardzendofthe mainframe 10. Saidfpower means herein H comprises motorwhich may beof any typev but which is herein preferably shown. as an 1 a f electric,motor 18 having an armature shaft '7 V v 'Serial Number 7' v Vl9Jthereon. V

The main frameIOis: adaptable to rest a horizontal position when thedrilling mecha nism 17, is being transported about the mine and themineroof. Said means herein co prises a? pl'urality'of adjustable feet20, 20, on

, the rearward or bottom portion of theymain -frame 10, andan'adjustablebearing member 21 on the-forward or top portion of the main frame 10. f

from drilling-place to drilling placeybutwis adaptable to stand'in avertical;position-when 'a hole is to bedrilled in a mine wall. Means"The feet.20,'2 0, are mounted on balls22, v

22, for rotatable movement thereaboutinte gral with" shafts "23, 23,threaded in the botin. "A worm is integral=with-the armature -mecha'nismso said drilling mechanism may s be moved angularly with respect to thedrill ing arm 16. 1

-u ri ht or drillin osition the drillin arm b b 7 D tom of the mainframe 10. Hand wheels 24, 24, are fixed to the threaded shafts 23, 23,so that rotation of said hand wheels causes movement of the threadedshafts 23, 23, in the main frame 10to adjust the feet 20, 20, withrespect tosaid frame. Likewise the bearing member 21 is mounted ona'ball'25 integral with a shaft 26 threaded in the forward or topportionof the main frame 10 and a hand 7 wheel 2. is fixed to said shaft toturn said shaft for adjustingthe pressure of the bearing member 21 onthe mine roof when the main frame 10 is in an upright position.

The drilling arm 16 is fixed to a housing 30 at its rearward end. Thehousing 30' has a stud 31 projecting from one'end thereof which isjournaled in the main frame 10. The OP- posite end of said housing abutsthe motor 18 and is attached thereto. The motor 18 has -stud 32projecting from. its outer end-which isal'so journaled in the mainframe-10 so that said housing and motor may be rotatably moved about thestudsfiland 32 in themain frame 10. The I armature shaft 19 extends Ithrough the housing 30 and is j ournaled thereshaft 19 and meshes withand'drives a worm gear 36 keyed to a shaft 37-journ'aled within thedrilling arm 16 .andextending the entire length thereof. A member 38havingthe pro- I jection l5 for supporting the'track wheel 13 integraltherewith is fixed to the forward end' of the drilling arm 16. Saidmember has a z supporting member 40 trunnioned thereon for supportingthe drillrotating and feeding l When the main framelO is supportedin an16 is held in the desired position with respect 1 to-said main frame bymeans of a plurality 1' l of straps 41, 41, extending from the main'frame 10 to the drilling arm 16; Nuts and bolts generally indicated at42 and 43 areprovided to hold the straps 41 in the desired position withrespect to the main frame 10 and drilling arm 16 so said drilling armmay be: held in itsvarlous positlonswlth respect to the main frame 10 bymeans of SfilCl-StTZIPSr Likewise a strap 44 extends fr'om the supporting member 40 to the drilling arm; 16 to:

' hold'said supporting memberand the drilling mechanism 17 in thevariousdesired posi-" tions of adjustment with respect to the drillmg arm 16. Anut and. bolt generally in-- I.

" dicated at 45 is provided onthe supporting member 40 and a nut andbolt indicated at '46 is provided on the member 38 to hold said strap tothe supporting member 40 and the member 38 and to hold the supportingmem-. ber 40 and drilling mechanism 17 in the de-' sired angularrelationwith respect to, the

- drilling arm 16. 1

JA- drilling mechanism 1 7 is similar to that shaft to move said shafting' mechanism 17 described in my prior application, Serial ing throughthe hub of said gear and feathv ered therein so said shaft may movethrough said gear for substantially its entire length. Threaded jaws areprovided on the supporting member 40 to enga e said threaded through thegear 48 as said gear is rotating said shaft. The

jaws 50 are engaged or disengaged with the threaded'shaft 49 means of ahand operated disc 51. Suitable frictional means controlled by a handwheel 52 are also. provided to stop feeding orxtranslational movement ofthe threaded shaft'49 upon overloadof the drilling mechanism. Thethreaded shaft49 is hollow and has a drill 53 bycmeans of a-chuck-54.

- The spur gear 48 is driven by means of a spurgear. 55 keyed on thejendofr-the shaft- 37. Provision is made for. drivingithe'gear 48 fromthe gear 55 at the several permis other, byarranging the pivoted axisof; the members-38 and 40 :so it will coincide with the pitch circles ofboth gears 48 and 55, and

providing said gears 'with relativelyTdeep drive the' drill'53 bothtranslationally and rotationally'by.means-of the worm 35, worm gear 36;shaft 37, spur gears 55 and 48,.and

the threaded shaft 49 and threaded jaws50 at the several permissibleangles-of the drilling arml 16. if

*Refeiring now in particular to Figures. 1 and4,"Figure 4showsthedrilling mechanism 17-.in transport position, Said drilling'jmechanism is. supported on the. rearward,

wheels .12 on the main frame 10-and. on the forward wheel 13 on thedrilling arm 16, a-portio-n on the main frame 10 bearing against thedrilling mechanism 17 so the forward-portion of saidmain framejmay besupported on; the double flangeditrack wheel13; It should be notedthatthe double flanged track1wheel'13 is removable from the stud "14-. andisheld thereon by means of a .nut. 61 so saidwheel'ma v be removed when;

the drilling mechanismas in drilling posi tion. The mam frame 10, wheels12' and 13, and drilling mechanism are of as light material as 'possible' to" give the required strength so the entire drilling mechanism;

may be movedon the wheels on the mine bottom beyond the minerails to thefaceof the coal where it is desired to place a drillhole.

, held therein a with respect to the drill-.

0 sible angles of saidx'gears'relatlve to each JUN Thedrilling mechanismbeing at the" face upright position. The feet 20,20, are adjusted sosaid frame willstandevenlyionv the mine floor and the bearing member illis'adjusted to bear against the mineroof to-hold the main frame 10 ina-vertical position. The main frame 10 therefore forms 'a jack tosupport the drilling mechanism 17 which is adjusted onthe drilling arm16 so as to drill at the desired angle-and height with respect to vthemine wall. j Wedges 62 and 63 are inserted between; the top-portion ofthe drilling mechanism 17 and the mine roof to aid in holding saiddrilling mechanism in a steady position while drilling.

- The drilling mechanism 17 is nowin position been drilled said drilling-mechanism may I be moved along the mine wall to drill other holestherein or placed on the 'mine rails and be moved to the next'placewhere it is desired to place a drill hole.

It may now be seen that I have provided a simple and compact drillingmechanism which may be easily transported from drilling place todrilling place. v It may also be seen that while my drilling mechanismis simple of construction and light of weight that it is strong enoughto stand up under all drilling conditions and that a motor is mounted onthe drilling ,mechanism itself and still be easily handled.

. tion.

Although I have shown anddescribed one;

form in which my invention may be embodied, it will be understood thatalterations may be made in theconstruction or arrangement of the variousparts thereof without departing from, thespirit and scope of the inven-Furthermore, I do not wish to be con-;

strued as limiting myself to the particular embodiment illustrated,excepting as it may v be limited in the appended claims.

I claim as my invention:

f 1; Ina portable drilling mechanism, a main frame, a drilling armpivotally mounted onv said main frame, drilling mechanism/ mounted onsaid drilling arm for angular movement thereabout. and adjustable bear-cing means on each end'of said main frame toy support said main framebetween a mine wall and a mine bottom so said main frame may comprise ajack to supportsaid drilling, mechanism when drilling in'a mine wall, a

pair of wheels on said main frame, and a wheel on sald drllhng arm sosaid main frame and drilling arm may support said drilling mechanism formovement from drilling place to drilling place. 7 v

2. In .a portable drilling mechanism, a

main frame, a drilling arm pivotally mountf ed-onsaid main frame;drillingmechanism mountedJonsaid drilling .arm for angular movementthereabout, and f adjustable hearmechanism? when drilling a mine wall,fa pair of wheels 011 8316; mainframe, and a wheel on said drilling armso said main frame and drilling: arm may. support said drillingmechanism for, movement from drilling place to drillingayplacmsaidwheels. bein :So arg ranged on said I main-=1 frame that sai' ad11stable bearing means on each end of said main frame willbe out ofengagement withfthe mine bot-tom when said'drilling mechanism issupported {formovement from drilling place-to drilling place 3 3; Inaportable drilling @mechanism, a main frame, a drilling arm'pivotallymounton said mainframeydrilling mechanism mountedon, said drilling armfor angular I .--.mov,einent thereabout, adjustable 'isbearing I meanson'eachend-ofsaid mainframe to sup: port said main frame ina verticalpositionina mine for holding saiddrilling mechanism so said :drillingmechanism may" drill a l hole in a mine wall, a pair of: wheels onsaidmain frame andawheel oirsaid drilling aI'IlIfOI'g;

supporting said mainframe in a horizontal position for transporting saiddrilling mechprovided remote from thedrilling mechanism itself which istherefore larger and .more powerful than could ordinarily be ani'sm fromworkingvplace to working place.

i 4 In aportable. drilling =mechanism,f al 1100 V d-rilling armhavingashaft thereinxconnect- I 'ible with said motor atone end thereof,drillv mechanism mountedon said drilling arm I for angular movementthereabout,.a geared connection from said shaftfto said drillingmechanism, adjustable bearing meanson each end of said main frame tosupport saidmain main frame,a motor 'on said main frame, a

frame in a vertical position in a mine to hold said era-1 mechanismfordrilling; a ha in a 5 mine wall, a pair of wheels on said-mainfframeanda wheel onsai-d drilling arm cooperating withSELld-WhGC-lS-OII saldmam frame ifor supporting'said main frame in ahorizon- .talposition for transporting said 1 drilling mechanism fromworking p'lace' to working ,711'5 place.

main -frame-,a pairfof feet on oneend ofsaid 5.111 a portable drilling;set in s, ar mainframeadaptabletorestona mine bottom, a-bearing memberon the opposite end of said main frame adaptable. to bear against c amine roof to hold said main frame in a vertical position, a motorpivotally mounted on; said main frame adjacent-said feet, a-

drilling arm pivotally mountedon said main frame on the same'pivotalfaxisasthe pivotal axis of "said motor, drilling mechanism on theopposite-end of said drilling armdriven' by saidmotor, and aplurality'rof wheels on said mainframe and said 'drilling'i arm forposition supporting said 5 main frame in V a" horizontal position fortransporting said. drillingmechanism from working place toWorking-place. Y 6. In a "portable drilling-mechanism, a

main frame, a drilling arm pivotally 1nounted at one of its endson saidmain frame to a "pivot about an axis transversely offsaid main frame,means for holding saiddri'lling arm in its various positions of pivotaladjustment "with respect "to said main frame,'i.dri-lling mechanismmounted on the opposite end of said (drilling arm for angula removementthereabojut, means'on said mainframe for supporting said' drilling'mechanl-sm When drilling'in'a mine Wall when said main frame is tiltedin one position and additional means j "on said main frame andClIllllIlg arm for supportin said drilling-mechan sm forjmovement fromdrilling place to; drilling place When said main framefis tilted in an other an a portabledrilling mechanism, a

main frame,-a drilling arm pivotally mountled'atone ofits endsonsaidmainfram'e to fr a me-,'-mea ns for holding said drilling armpivot about an axis transversely of said main 7 f in its variouspositions of'pivotal adjustment with respect' to said mainframe,drilling mechanism mountedonthe opposite"= end of for driving saiddrilling mechanism from said motor in all positions of adjustmentthereof, sald main frame beingtiltable in one position to form a jack tosupport said dr llmg mechanism When drilling in amine Wall andtiltab'le' inanother position to form a truck formoVing-isaid drillingmechanism about the 'mine bottom. i Q -1 Si ned at Chicago, in thecounty of Cook and State of Illinois, this 18th dayof September, A. D.1928..

l I FREDERICK W. vonoz.

saidCdrillingf-arm for angular -movement 5 thereabout, vmeans on saidmainframe for supporting'said main frame as a jack to support saiddrilling; mechanism when drilling in a m ne Wall, and additlon'al' meanson said mainframe and drilling arm for supporting saiddrilling mechanismfor-movement"from drilling place to drilling place, Sdldmeans on saidmainframe for" supporting said'main frame as a jack'being out-ofengagement with theground' when-said; drilling mechanisni is'su'pportedfor movement from'drilling placeto drillingplace. a

' 8. In adrilling mechanism, a main frame,

a motor on said main frame adjacent one end thereof, a motor shaft,adrilling arm pivotally mounted on said main frame'at one end to pivotabout an axis-coaxial-vwith said when drillingin amine Wall and tiltablein: f another position to form'a truck for moving said drillingmechanism about the mine b0t-- "9. Ina drilling mechanism, a main frame,

a motor on said main frame having a motor shaft extending transverselyof said main '60 frame, a drilling arm pivotally mounted on' sald mainframe at one end to pivot about ELIIZl-XlS coaxial with said motorshaft, drilling mechanism mounted on the opposite end of said drillingarm for angular movement rthereabout, meanslwithin said drilling arm

